The records include articles of incorporation, historical materials regarding formation of the cooperative, correspondence, meeting minutes and supporting documents, annual financial and audit reports, and various financial records including separate milk and cheese books (1917-1921) detailing plant payments to participating farmers. A significant part of the collection consists of milk production records including a butterfat test ledger book, milk weight cards for each farmer member, and monthly records of milk weight received at participating dairies from each farmer. There are also materials relating to Federal Milk Market Order #30 (1966-1979) which proposed establishment of a Chicago-based milk pool consisting of most of Wisconsin, the northern part of Illinois, and the Upper Peninsula of Michigan.
The photographs, circa 1959, document a Milwaukee Cooperative Milk Producers meeting, several members of the cooperative, events at a Cooperative Fair, and Alice in Dairyland distributing milk to school age children.
